30030100 has 18 divisors (see below), whose sum is σ = 65165534. Its totient is φ = 12012000.

The previous prime is 30030079. The next prime is 30030101. The reversal of 30030100 is 103003.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 414736 + 29615364 = 644^2 + 5442^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30030101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 150051 + ... + 150250.

Almost surely, 2^30030100 is an apocalyptic number.

It is an amenable number.

30030100 is an abundant number, since it is smaller than the sum of its proper divisors (35135434).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30030100 is a wasteful number, since it uses less digits than its factorization.

30030100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300315 (or 300308 counting only the distinct ones).

The product of its (nonzero) digits is 9, while the sum is 7.

The square root of 30030100 is about 5479.9726276689. The cubic root of 30030100 is about 310.8271355243.

Adding to 30030100 its reverse (103003), we get a palindrome (30133103).

The spelling of 30030100 in words is "thirty million, thirty thousand, one hundred".